Update CHANGELOG

Signed-off-by: GZGavinZhao <[email protected]>

CHANGELOG.md

@@ -1,30 +1,46 @@
 # Changelog
+
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [1.1.0] - 2021-12-25
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 ### Fixed
-- Outdated project template.
-- Inconsistent extra lines when error occurs.
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+- Fix outdated project template.
+- Fix inconsistent extra lines when error occurs.
+- Back to null safety.
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 ### Removed
-- `build` and `serve` command. Very hard to maintain & build a global package
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+- Remove `build` and `serve` command. Very hard to maintain & build a global package
   that uses null-safety itself but contains some unsound-null-safety code.
 
 ## [1.0.2] - 2021-06-14
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 ### Fixed
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 - Fix missing `.gitignore` file (isn't generated when creating).
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 ### Added
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 - Run `pub get` after creating a new project.
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 ### Removed
-- Remoed unnecessary models, though this doesn't affect the program at all
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+- Remove unnecessary models, though this doesn't affect the program at all
 
 ## [1.0.1] - 2021-05-31
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 ### Fixed
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 - Duplicate usage message on `UsageException`.
 - Symbols in debug logs can't show on some devices due to the use of illegal characters.
 
 ## [1.0.0] - 2021-05-30
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 ### Added
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 - Initial version.